Vulnerability Information
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Vulnerability Title
Smokescreen SSRF via deny list bypass (square brackets) in Smokescreen
Vulnerability Description
Smokescreen is an HTTP proxy. The primary use case for Smokescreen is to prevent server-side request forgery (SSRF) attacks in which external attackers leverage the behavior of applications to connect to or scan internal infrastructure. Smokescreen also offers an option to deny access to additional (e.g., external) URLs by way of a deny list. There was an issue in Smokescreen that made it possible to bypass the deny list feature by surrounding the hostname with square brackets (e.g. `[example.com]`). This only impacted the HTTP proxy functionality of Smokescreen. HTTPS requests were not impacted. Smokescreen version 0.0.4 contains a patch for this issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vulnerability Type
服务端请求伪造(SSRF)
Vulnerability Title
Smokescreen 代码问题漏洞
Vulnerability Description
Smokescreen是一个 HTTP CONNECT 代理。 Smokescreen 存在代码问题漏洞。攻击者利用该漏洞用方括号将主机名括起来以绕过拒绝列表功能。
CVSS Information
N/A
Vulnerability Type
N/A